2072161122 has 16 divisors (see below), whose sum is σ = 4160836512. Its totient is φ = 687968000.

The previous prime is 2072161111. The next prime is 2072161141. The reversal of 2072161122 is 2211612702.

It is a junction number, because it is equal to n+sod(n) for n = 2072161092 and 2072161101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 686463 + ... + 689474.

It is an arithmetic number, because the mean of its divisors is an integer number (260052282).

Almost surely, 2^2072161122 is an apocalyptic number.

2072161122 is an abundant number, since it is smaller than the sum of its proper divisors (2088675390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2072161122 is a wasteful number, since it uses less digits than its factorization.

2072161122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376193.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2072161122 is about 45520.9964961225. The cubic root of 2072161122 is about 1274.8952618307.

Adding to 2072161122 its reverse (2211612702), we get a palindrome (4283773824).

The spelling of 2072161122 in words is "two billion, seventy-two million, one hundred sixty-one thousand, one hundred twenty-two".